For healthy adult people, the really big thing we can foresee are ways of intervening in the ageing process, either by slowing or reversing it.
Nick BostromFar from being the smartest possible biological species, we are probably better thought of as the stupidest possible biological species capable of starting a technological civilization - a niche we filled because we got there first, not because we are in any sense optimally adapted to it.
Nick Bostrom